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				| Started putting in the pop-rivets into the leading edge skin
 The instructions say that these holes need to drilled out using a 7/64" bit to allow the installing of the flush fitting MK-319-BS pop-rivets. All of the holes on the leading edge skin are pop-riveted except for the holes in the ends of the flap, which will get regular rivets. According to at least one DAR I know, MK-319-BS are considered to have the same strength as any AN3 rivet.
 
 
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